Filter out krb auth and extra data

bin/deltalogparse.py

@@ -41,6 +41,10 @@ re_skip = (r'^('
     r'):')
 
 re_filter = (r'^('
+    r'krbExtraData|'
+    r'krbLastSuccessfulAuth|'
+    r'krbLastFailedAuth|'
+    r'krbLoginFailedCount|'
     r'heartbeatTimestamp|'
     r'lastUse.*?|'
     r'(context|entry)CSN'